2 Troubleshooting Procedures 2.5 USB FDD Troubleshooting
2-30 [CONFIDENTIAL] PORTEGE M700/M750 Maintenance Manual (960-661)
2.5 USB FDD Troubleshooting
This section describes how to determine if the USB FDD is functioning properly. Perform
the steps below starting with Procedure 1 and continuing with the other procedures as
required.
Procedure 1: USB FDD Head Cleaning Check
Procedure 2: Diagnostic Test Program Execution Check
Procedure 3: Connector Check and Replacement Check
Procedure 1 USB FDD Head Cleaning Check
USB FDD head cleaning operation details are given in Chapter 3, Tests and Diagnostics.
Insert the Diagnostics Disk in the computer’s floppy disk drive, turn on the computer and run
the test. Clean the USB FDD heads using the cleaning kit. If the USB FDD still does not
function properly after cleaning, go to Procedure 2.
If the test program cannot be executed, go to Procedure 3 and Procedure 4.
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